Nearly 35% of Chennai Metro Rails tunnelling accomplished in metropolis for part II venture

Nearly 35% of Chennai Metro Rail’s underground community has been constructed for the upcoming ₹63,246 crore part II venture.

Across the three corridors—Madhavaram to SIPCOT (hall 3), Light House to Poonamallee (hall 4) and Madhavaram to Sholinganallur (hall 5) which represent the 118.9 km part II venture, Chennai Metro Rail has to bore for a complete size of 69.05 km.

According to officers of Chennai Metro Rail Limited (CMRL), of the 69.05 km of tunnel size to be created in all three corridors of the part II venture, 24.2 km of tunnels have been constructed.

The Madhavaram-SIPCOT hall makes for almost all of the underground community; on this hall alone, CMRL has to construct tunnels for a size of 43.04 km and at current, 16.2 km has been accomplished. In the Poonamallee-Light House hall, of 16.29 km to be tunnelled, 7.56 km has been completed. In the Madhavaram-Sholinganallur hall, the underground community is just for 9.2 km however because the work was delayed as a result of tender points, solely 0.48 km of tunnel has been constructed to this point.

Officials stated, the underground development is regularly choosing up tempo and this month alone, three tunnels—between Greenways Road and Mandaveli, Royapettah and Dr. Radhakrishnan Salai and Panagal Park to Kodambakkam—completed their journeys.

In the approaching months, fairly a number of tunnel boring machines (TBM) will end their journeys and obtain breakthroughs in areas together with Perambur, Moolakadai, Kellys, Kilpauk and Thirumayilai. TBMs may also be launched in varied websites together with Thiruvanmiyur, Chetpet, Perambur Barracks Road and Kolathur.

Tunnelling within the metropolis has been a mixture of some pretty easy journeys and a few sophisticated ones to this point. In a few of the areas like T. Nagar, Kodambakkam, Perambur, Adyar and Chetpet, the TBMs needed to bore below flyovers, railway tracks and waterbodies. This apart, between Light House to Thirumayilai, the TBMs encountered powerful geological situations and their components had to get replaced quite a few instances.